*{
	margin: 0;
	padding: 0;
   font-size: 14px;
	color: #333;
	font-family: arial,"microsoft yahei";
	box-sizing: border-box;
	outline: none;
}
body{
	background-color: #efefef;
}
ul{
	list-style: none;
}
article{	
	position: fixed;
	top: 0;
	width: 100%;
	height: 100%;
	background-color: gray;
	display: flex;
	justify-content: center;
	align-items: center;
}

article>div{
	width: 220px;
	height: 150px;
	line-height: 40px;
	background-color: white;
	padding: 20px;
}
div>input{
	border: #ddd 1px solid;
}
div>input[name]{
	width: 140px;
	height: 25px;
	text-indent: 5px;
}
div>input[type='button']{
	width: 172px;
	height: 25px;
	cursor: pointer;
}

section{
	width: 800px;
	padding:20px;
	margin: 50px auto 0;
	background-color: white;
}

section>div{
	height: 30px;
	display: flex;
	justify-content: space-between;
}
section>div>select{
	width: 80px;
	height: 24px;
	border: #ddd 1px solid;
}
section>div>ul{
	height: 24px;
	display: flex;
}
section>div>ul>li{
	width: 24px;
	height: 24px;
	border: #ddd 1px solid;
	text-align: center;
	line-height: 24px;
	border-radius: 5px;
	cursor: pointer;
}
section>div>ul>li:not(:last-of-type){
	margin-right: 5px;
}

section>div>ul>li:hover,
section>div>ul>li.s{
	border-color: #f40;
	background-color: #ff4400;
	color: white;
}

section>ul{
	width: 760px;
	height: 142px;
	display: flex;	
}

section>ul>li{
	width: 242px;
	height: 142px;
	border: #ddd 1px solid;
	
}
section>ul>li:not(:last-of-type){
	margin-right: 17px;
}

section>ul>li>a{
	position: relative;
	display: block;
	width: 240px;
	height: 140px;
	background: transparent url(../img/u=2255384485,690736213&fm=26&gp=0.jpg) center no-repeat;
	background-size: cover;
	text-decoration: none;
} 
section>ul>li>a>span{
	position: absolute;
	bottom: 0;
	display: block;
	width: 240px;
	height: 30px;
	text-align: center;
	line-height: 30px;
	background-color: rgba(0,0,0,0.5);
	color: white;
	letter-spacing: 2px;
}
